I have never shot one but what I would do before I DID anything to it is to shoot it and see how the groups are. If its already acceptable groups for you, then I wouldn't do anything to it. A lot of people make the mistake of modifying a gun before even shooting it and to find out that it would shoot better like it was.
If its not to you liking then, you can modify it like bedding the action or tuning the trigger, etc.